University of California
University of California Berkeley: Charging an Electroscope by Induction
From the U.C. Berkeley Physics Lecture Demonstrations website. A thorough description of an activity in which a charged metal plate is used to charge an electroscope by induction. Complete directions and a diagram of the equipment and...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Thomas Alva Edison
Thomas Alva Edison was born at Milan, Ohio, February 11, 1847, but the family soon after moved to Port Huron, Michigan. He had to earn his living from early boyhood, and was a train boy on a railroad. A station master, whose child's life...